Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 5.03
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -3.42 -0.375 1.28
Prot (kg) -6.28 -0.441 2.77
Fertility Sub Index -0.28
Calving Interval (days) 0.14 -1.459 -0.20
Survival (%) -0.07 1.117 -0.08
Calving Sub Index 0.47
Gestation Length (days) -0.51 -0.919 0.47
Beef Sub Index 0.13
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 5.44 -0.432 -2.35
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 7.41

* Based on an €80/tonne carbon price